Bikes are riding back to town骑自行车也可以既炫又环保。Our cities can be a nightmare. Their roads can be clogged... walk twice. But there is a solution to this, a healthy one. Why don’t we get back on our bikes ……

at the kids in the picture. They’re doing their work while riding bikes. They’re fifth-graders from Conestoga Elementary School in the US. There are six exercise bikes (健身脚踏车) in the back of their classroom ……

人人爱骑自行车
Riding bikes is popular in Denmark(丹麦). Many of us use them to get around. There are 20 students in my class. More than 10 of them ride their bikes to go to school. Our parents also use bikes often ……

. It opens showing four boys, a group of friends, riding around town at night on bikes when one of them... to because riding bikes is a carefree activity and kids don’t really seem as carefree in the 21st ……

thathelmets(头盔) are hot and uncool. But in many places kids have to wear them when they ride their bikes... people say that helmets are like seatbelts for bikes. Wearing oneprotects(保护) you in case of an accident ……

rode around the little town on bikes with gears and brakes that often failed.I did not take any of those bikes with me when I moved south to the coastal town where I now live. But after a while I missed ……

英国自行车比赛Look at these bikes. They have two wheels (车轮). One is big and the other is small. Players (参赛者) are riding the bikes in a game in England. They finish the game in three hours. The winner (冠军 ……

共享单车初体验。Shared bikes have become quite popular among big cities in China. But in my hometown, Jilin, there are no shared bikes. I always dreamed about trying the convenient and magical shared bikes ……

on the back of their bikes to give friends a lift. 21st... Roadie, performance is everything. They ride expensive, lightweight bikes with narrow tires ……

. People riding electric bikes aren’t as careful as they should be, so accidents often happen.Gao... has put extra pressure on the flow of traffic.Lu Guofeng: Some of the people riding electric bikes ……

crashed into me!UK bikes have something Chinese bikes don't: lights. A white light at the front and a red one at the back. They are for safety when you're riding in the dark. If you don't have your lights ……

在英国骑自行车有什么不同？ 课件见网站 I LIKE riding my bike in the UK. I can get anywhere on my bike inCambridge(剑桥... rode on the wrong side. Carsrushed(呼啸而过) by me. It wasscary(可怕的).UK bikes have lights on. They may ……

One day, a farmer was taking a bag of rice into town. Suddenly the bag fell from his horse on the road. It was too heavy for him to put back on the horse. Just then, a man riding a bike came up ……

of all ages drive them, not just children.”Riders say that part of the thrill of mini bikes is riding so...They are known to police officers as lawnmowers on two wheels, pocket bikes and mini-motos ……

Prague because you can see people riding on bikes and scooters (踏板车) all the time. All... better. The city is designed with much more space than Prague because you can see people riding on bikes ……